|18.104.22.168 Wooden shipping packages|
|Lumber is a hygroscopic packaging material. Air dry lumber is considered container dry if its equilibrium moisture content is 70 - 75%, i.e. its water content is 12 - 15%.
It very often happens that cases are made from lumber which is too green and thus too wet (water content > 15%), resulting in the growth of mold on fruit and vegetables, for example.
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